Home / 22,921.68-31,614.36-19,740.54

Finding the Fourth Proportional to 22,921.68, 31,614.36 and 19,740.54

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Solution

The fourth proportional to 22,921.68, 31,614.36 and 19,740.54 is: 27,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.68 : 31,614.36 = 19,740.54 : x
  2. Step 2: Convert to fraction form
    22,921.68/31,614.36 = 19,740.54/x
  3. Step 3: Cross multiply
    22,921.68x = 31,614.36 × 19,740.54
  4. Step 4: Simplify right side
    22,921.68x = 624,084,538.15
  5. Step 5: Solve for x
    x = 624,084,538.15/22,921.68
  6. Step 6: Final answer
    x = 27,226.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.